//
// Created by Administrator on 2019/12/09.
//

#ifndef DEMO2_MYSTACK2_H
#define DEMO2_MYSTACK2_H

#include <vector>

using namespace std;

class MyStack2 {
private:
    vector<int> elems;
public:
    void push(const int&);
    int pop() const;
};


#endif //DEMO2_MYSTACK2_H
